How are we going to transmit our signal? Feeling ambitious, we decided to go wireless. We may not to able to make a mobile phone system but our very own radio station with a transmitter and receiver ...

AM radios are relatively simple devices, and building one is a good way to start exploring the world of radio communications. [GreatScott] does exactly this in the video after the break, building both ...

For good reception, a radio must have good selectivity (selectivity is a radio's ability to separate weak stations and strong stations on the FM dial) and good sensitivity (the ability to receive weak ...

For the first time, researchers have used a laser as a radio transmitter and receiver, paving the way for towards ultra-high-speed Wi-Fi and new types of hybrid electronic-photonic devices. You've ...

This week Radio World is featuring highlights of our 2021 ebooks. This article appeared in “Mission-Critical: Maintaining Your Transmitter Site.” One hundred years is an impressive lifespan not just ...

With the radio control hobby arguably larger now than it ever has been in the past, there’s a growing demand for high-fidelity PC simulators. Whether you want to be able to “fly” when it’s raining out ...

Joshua R. Smith receives funding from the National Science Foundation, the National Institutes of Health, the Department of Energy, the Department of Defense Medical Command, DARPA, Bosch, and Amazon.

LAS VEGAS—During the Cold War, Soviet spies were able to monitor the US Embassy in Moscow by using a radioretroreflector bug—a device powered, like modern RFID tags, by a directed radio signal. But ...